更新前端静态网页获取方式，放弃使用后端获取api

frontend/node_modules/workbox-precaching/precacheAndRoute.d.ts

@@ -0,0 +1,18 @@
+import { PrecacheRouteOptions, PrecacheEntry } from './_types.js';
+import './_version.js';
+/**
+ * This method will add entries to the precache list and add a route to
+ * respond to fetch events.
+ *
+ * This is a convenience method that will call
+ * {@link workbox-precaching.precache} and
+ * {@link workbox-precaching.addRoute} in a single call.
+ *
+ * @param {Array<Object|string>} entries Array of entries to precache.
+ * @param {Object} [options] See the
+ * {@link workbox-precaching.PrecacheRoute} options.
+ *
+ * @memberof workbox-precaching
+ */
+declare function precacheAndRoute(entries: Array<PrecacheEntry | string>, options?: PrecacheRouteOptions): void;
+export { precacheAndRoute };